Qubes OS

We’re proud to announce that Nitrokey has joined as a Qubes OS Summit 2026 Silver-tier sponsor!

It is our pleasure to announce that the Star Labs StarBook Horizon is officially certified for Qubes OS Release 4!

It is our pleasure to announce that the Star Labs StarFighter is officially certified for Qubes OS Release 4!

The Xen Project has released one or more Xen security advisories (XSAs).

The Xen Project has released one or more Xen security advisories (XSAs).

We have published Qubes Security Bulletin (QSB) 120: Two CTAP proxy vulnerabilities.

We’re pleased to announce the stable release of Qubes OS 4.3.2!

We’re proud to announce two new Qubes OS Summit 2026 sponsorships: Freedom of the Press Foundation (FPF) as a Gold-tier sponsor and NovaCustom as a Silver-tier sponsor!

The first release candidate (RC) for Qubes OS 4.3.2 is now available for testing.

We have published Qubes Security Bulletin (QSB) 119: Potential attacker-controlled format string in qvm-open-in-vm.

We have published Qubes Canary 048.

The Xen Project has released one or more Xen security advisories (XSAs).

We have published Qubes Security Bulletin (QSB) 118: Dom0 arbitrary code execution in qvm-copy-to-vm error reporting.